SCT launched the iTSX, the world's premier tuning app for iOS devices 7 months ago, and now it is available for GM products. This amazing power programmer lets you wirelessly tune your vehicle using an iPhone, iPad or iPod touch. Not only do you get a performance tune, but you also get big gauges and full use of the tech Apple has built into your favorite mobile device: GPS positioning, accelerometers, tilt-sensors, etc. This effectively turns your iOS device into the most advanced hand-held tuning system ever conceived.

The SCT iTSX tuner now supports both gas and diesel engines from 2005-2012. Below is the current application list: